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The name of a Ke$ha song, similar to Britney's "If You Seek Amy" with how they both are code for a certain curse word.

Not officially defined but here's my take:
Probably a term used by women to get a guy.
"Dude, this girl, she was all like "I'll CUNxTuesday" and gave me her number"
by The Cloaked Dagger February 07, 2010
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